int main(int argc, char *argv[])
{
if (argc < 2)
{
fprintf(stderr, "[gwmserver] no launcher specified\n");
return 1;
};
char dispdev[1024];
uint64_t requestRes;
char linebuf[1024];
if (geteuid() != 0)
{
fprintf(stderr, "[gwmserver] you need to be root to start the window manager\n");
return 1;
};
int sockfd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
if (sockfd == -1)
{
fprintf(stderr, "[gwmserver] cannot create socket: %s\n", strerror(errno));
return 1;
};
struct sockaddr_un srvaddr;
srvaddr.sun_family = AF_UNIX;
strcpy(srvaddr.sun_path, "/run/gwmserver");
if (bind(sockfd, (struct sockaddr*) &srvaddr, sizeof(struct sockaddr_un)) != 0)
{
fprintf(stderr, "[gwmserver] cannot bind to /run/gwmserver: %s\n", strerror(errno));
return 1;
};
if (listen(sockfd, 5) != 0)
{
fprintf(stderr, "[gwmserver] cannot listen: %s\n", strerror(errno));
return 1;
};
// make sure the clipboard and shared surface directories actually exist
mkdir("/run/clipboard", 0777);
mkdir("/run/shsurf", 01777);
mkdir("/run/gwmserver-wd", 0777);
mkdir("/var", 0755);
mkdir("/var/log", 0755);
chdir("/run/gwmserver-wd");
FILE *fp = fopen("/etc/gwm.conf", "r");
if (fp == NULL)
{
fprintf(stderr, "could not open /etc/gwm.conf: %s\n", strerror(errno));
return 1;
};
requestRes = DDI_RES_AUTO;
dispdev[0] = 0;
char *line;
int lineno = 0;
char logdest[PATH_MAX];
strcpy(logdest, "/var/log/gwmserver.log");
while ((line = fgets(linebuf, 1024, fp)) != NULL)
{
lineno++;
char *endline = strchr(line, '\n');
if (endline != NULL)
{
*endline = 0;
};
if (strlen(line) >= 1023)
{
fprintf(stderr, "/etc/gwm.conf:%d: buffer overflow\n", lineno);
return 1;
};
if ((line[0] == 0) || (line[0] == '#'))
{
continue;
}
else
{
char *cmd = strtok(line, " \t");
if (cmd == NULL)
{
continue;
};
if (strcmp(cmd, "display") == 0)
{
char *name = strtok(NULL, " \t");
if (name == NULL)
{
fprintf(stderr, "/etc/gwm.conf:%d: 'display' needs a parameter\n", lineno);
return 1;
};
strcpy(dispdev, name);
}
else if (strcmp(cmd, "resolution") == 0)
{
char *res = strtok(NULL, " \t");
if (res == NULL)
{
fprintf(stderr, "/etc/gwm.conf:%d: 'resolution' needs a parameter\n", lineno);
return 1;
};
uint64_t reqWidth, reqHeight;
if (strcmp(res, "auto") == 0)
{
requestRes = DDI_RES_AUTO;
}
else if (strcmp(res, "safe") == 0)
{
requestRes = DDI_RES_SAFE;
}
else if (sscanf(res, "%lux%lu", &reqWidth, &reqHeight) == 2)
{
requestRes = DDI_RES_SPECIFIC(reqWidth, reqHeight);
}
else
{
fprintf(stderr, "/etc/gwm.conf:%d: invalid resolution: %s\n", lineno, res);
return 1;
};
}
else if (strcmp(cmd, "log") == 0)
{
char *path = strtok(NULL, " \t");
if (path == NULL)
{
fprintf(stderr, "/etc/gwm.conf:%d: 'log' needs a parameter\n", lineno);
return 1;
};
if (strlen(path) >= PATH_MAX)
{
fprintf(stderr, "/etc/gwm.conf:%d: log path too long\n", lineno);
return 1;
};
strcpy(logdest, path);
}
else
{
fprintf(stderr, "/etc/gwm.conf:%d: invalid directive: %s\n", lineno, cmd);
return 1;
};
};
};
fclose(fp);
int logfd = open(logdest, O_WRONLY | O_CREAT | O_APPEND, 0644);
if (logfd == -1)
{
fprintf(stderr, "[gwmserver] could not open log file %s: %s\n", logdest, strerror(errno));
return 1;
};
dup2(logfd, 1);
dup2(logfd, 2);
close(logfd);
if (dispdev[0] == 0)
{
fprintf(stderr, "/etc/gwm.conf: no display device specified!\n");
return 1;
};
if (ddiInit(dispdev, O_RDWR) != 0)
{
fprintf(stderr, "ddiInit: %s: %s\n", dispdev, strerror(errno));
return 1;
};
if (symlink(dispdev, "/run/gwmdisp") != 0)
{
fprintf(stderr, "symlink /run/gwmdisp: %s\n", strerror(errno));
return 1;
};
frontBuffer = ddiSetVideoMode(requestRes);
screen = ddiCreateSurface(&frontBuffer->format, frontBuffer->width, frontBuffer->height, NULL, 0);
// GWM information
int fd = open("/run/gwminfo", O_RDWR | O_CREAT | O_TRUNC, 0644);
if (fd == -1)
{
fprintf(stderr, "Failed to open /run/gwminfo! %s\n", strerror(errno));
return 1;
};
DDIColor backgroundColor = {0, 0, 0x77, 0xFF};
desktopBackground = ddiCreateSurface(&screen->format, screen->width, screen->height, NULL, DDI_SHARED);
ddiFillRect(desktopBackground, 0, 0, screen->width, screen->height, &backgroundColor);
ddiFillRect(screen, 0, 0, screen->width, screen->height, &backgroundColor);
ddiFillRect(frontBuffer, 0, 0, screen->width, screen->height, &backgroundColor);
ftruncate(fd, sizeof(GWMInfo));
gwminfo = (GWMInfo*) mmap(NULL, sizeof(GWMInfo), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
gwminfo->backgroundID = desktopBackground->id;
printf("[gwmserver] initialize theme info\n");
gwmGlobalThemeInit(&frontBuffer->format);
imgWincap = ddiOpenSurface(gwminfo->imgWinCap);
imgWinbut = ddiOpenSurface(gwminfo->imgWinButtons);
if (fork() == 0)
{
execv(argv[1], &argv[1]);
perror("exec launcher");
_exit(1);
};
// now that we won't be starting any processes, we can set core dumps
signal(SIGSEGV, SIG_CORE);
signal(SIGILL, SIG_CORE);
signal(SIGBUS, SIG_CORE);
signal(SIGABRT, SIG_CORE);
signal(SIGALRM, SIG_CORE);
kblSet("/usr/share/kblayout/en_US/int", stderr);
wndInit();
ptrInit();
inputInit();
runServer(sockfd);
return 0;
};
void *Init() {
wndInit();
return NULL;
}